<?php
	$im = imagecreate("256", "256");
	$white = imagecolorallocate($im,0xFF,0xFF,0xFF);
	imagecolortransparent($im,$white);
	//imagecolortransparent() 设置具体某种颜色为透明色，若注释
	$black = imagecolorallocate($im,0x00,0x00,0x00);
	imagestring($im,3,5,5,"Happy New YearHappy New YearHappy New YearHappy New Year", $black);
	header("Content-type:image/png");
	imagepng($im);

?>